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Originally Posted by jimbo24
im no expert but i think it depends what ure doing on it,if ure running at jogging speed for like 30 mins i dont think it gonna do any good for ure vert,but it says in vjb if u wanna do cardio u should do 60% of ure pulse rate.
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alrite thanks man
heard some1 said it was bad on some post so i was wondering......